26 lines
747 B
TypeScript
26 lines
747 B
TypeScript
class Matcher{
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protected allSet = new BitSet();
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protected exclusionSet = new BitSet();
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protected oneSet = new BitSet();
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public static empty(){
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return new Matcher();
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}
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public IsIntersted(e: Entity){
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if (!this.allSet.isEmpty()){
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for (let i = this.allSet.nextSetBit(0); i >= 0; i = this.allSet.nextSetBit(i + 1)){
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if (!e.componentBits.get(i))
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return false;
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}
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}
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if (!this.exclusionSet.isEmpty() && this.exclusionSet.intersects(e.componentBits))
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return false;
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if (!this.oneSet.isEmpty() && !this.oneSet.intersects(e.componentBits))
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return false;
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return true;
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}
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} |